Ethyl 3-(N-(2-methoxy-5-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate CAS 932303-43-0

Purity 97%+In StockPharmaceutical Standards
CAS No.932303-43-0
Molecular FormulaC19H19NO5S2
Molecular Weight405.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 3-(N-(2-methoxy-5-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate CAS 932303-43-0 chemical structure

Description

The occurrence of Ethyl 3-(N-(2-methoxy-5-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies Ethyl 3-(N-(2-methoxy-5-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate (CAS 932303-43-0), a certified reference material (molecular formula C19H19NO5S2, MW 405.49 g/mol) for analytical method development and quality control.

Based on its molecular formula C19H19NO5S2, Ethyl 3-(N-(2-methoxy-5-methylphenyl)sulfamoyl)benzo[b]thiophene-2-carboxylate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 405.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC19H19NO5S2
Molecular Weight405.49 g/mol
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms1
Sulfur Atoms2

Recommended Standards

Why CATO?